Chemical Reactions
Chemical Reactions
Chemical Reactions
Chemical Reactions
Chemical Reactions
100

Baking a cake is an example of.. 

A chemical change
100

What type of reaction is 2Mg+O2 -->MgO

Synthesis

100

Define Chemical Reaction 

A chemical reaction describes change in which reactants react to form products chemically different from the reactants

100

What is the number of O in Na2CO3

3

100

What is the number of O's in Al2(SO4)3

12
200

Fill in the blank.. __Na+__F2 ->__NaF

2,1,2


200

Define Reactant 

A chemical substance that is present at the start of chemical reaction 

200

Define Product

A product is a substance that is formed as a result of the chemical reaction 

200

Determine whether this is Balanced or Unbalanced Na+MgF ->NaF+Mg

Unbalanced

200

Define Chemical Equation 

A chemical equation is the symbolic representation of a chemical reaction

300

Determine whether Balanced or Unbalanced BaCl2+Na2SO4 ->2NaCl+BaSO4

Balanced

300

Define Law of Conservation of Mass

Mass is neither destroyed nor created by chemical reactions. The mass of the products in a chemical reaction must equal the mass of the reactants. 

300

What is the number of Al in Al2(SO4)3

2
300
Producing bubbles can be a sign of a __ change 

Chemical 

300

What is the number of S in 3SO2

3

400

Synthesis 

A+B -->AB

400

A change in the state of matter is a ___ change

Physical 

400

Decomposition 

AB --> A+B
400

Coefficient

A number in front of a chemical formula in an equation that indicates how many molecules or atoms

400

What type of reaction is 2H2O2 --> 2H2O+O2

Decomposition